Bump slackapi/slack-github-action from 1.26.0 to 2.0.0

Bumps [slackapi/slack-github-action](https://github.com/slackapi/slack-github-action) from 1.26.0 to 2.0.0.
- [Release notes](https://github.com/slackapi/slack-github-action/releases)
- [Commits](70cd7be8e4...485a9d42d3)

---
updated-dependencies:
- dependency-name: slackapi/slack-github-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/go-tests.yml

@@ -587,7 +587,7 @@ jobs:
         # FAILED_TESTS must also be checked to avoid running this step on cancellation due to the summary check above
         if: ${{ failure() && env.FAILED_TESTS == 'true' && (github.ref_name == 'main' || startsWith(github.ref_name, 'release/')) }}
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           # Escape entire message string to ensure valid JSON. If invalid, the notification will fail silently in CI.
           payload: |

.github/workflows/nightly-test-1.15.x.yaml

@@ -233,7 +233,7 @@ jobs:
     steps:
       - name: Slack Notification
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {

.github/workflows/nightly-test-1.18.x.yaml

@@ -233,7 +233,7 @@ jobs:
     steps:
       - name: Slack Notification
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {

.github/workflows/nightly-test-1.19.x.yaml

@@ -233,7 +233,7 @@ jobs:
     steps:
       - name: Slack Notification
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {

.github/workflows/nightly-test-1.20.x.yaml

@@ -233,7 +233,7 @@ jobs:
     steps:
       - name: Slack Notification
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {

.github/workflows/nightly-test-integ-peering_commontopo.yml

@@ -165,7 +165,7 @@ jobs:
       - name: Notify Slack
         if: ${{ failure() }}
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {

.github/workflows/nightly-test-integrations-1.15.x.yml

@@ -362,7 +362,7 @@ jobs:
       - name: Notify Slack
         if: ${{ failure() }}
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {

.github/workflows/nightly-test-integrations-1.18.x.yml

@@ -472,7 +472,7 @@ jobs:
       - name: Notify Slack
         if: ${{ failure() }}
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {

.github/workflows/nightly-test-integrations-1.19.x.yml

@@ -464,7 +464,7 @@ jobs:
       - name: Notify Slack
         if: ${{ failure() }}
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {

.github/workflows/nightly-test-integrations-1.20.x.yml

@@ -464,7 +464,7 @@ jobs:
       - name: Notify Slack
         if: ${{ failure() }}
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {

.github/workflows/nightly-test-integrations.yml

@@ -438,7 +438,7 @@ jobs:
       - name: Notify Slack
         if: ${{ failure() }}
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {

.github/workflows/nightly-test-main.yaml

@@ -224,7 +224,7 @@ jobs:
     steps:
       - name: Slack Notification
         id: slack
-        uses: slackapi/slack-github-action@70cd7be8e40a46e8b0eced40b0de447bdb42f68e # v1.26.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: |
             {