ci: bump the github-actions group with 3 updates (#18853)

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.github/workflows/ci.yaml

@@ -1406,7 +1406,7 @@ jobs:
         uses: google-github-actions/setup-gcloud@77e7a554d41e2ee56fc945c52dfd3f33d12def9a # v2.1.4
 
       - name: Set up Flux CLI
-        uses: fluxcd/flux2/action@bda4c8187e436462be0d072e728b67afa215c593 # v2.6.3
+        uses: fluxcd/flux2/action@6bf37f6a560fd84982d67f853162e4b3c2235edb # v2.6.4
         with:
           # Keep this and the github action up to date with the version of flux installed in dogfood cluster
           version: "2.5.1"

.github/workflows/docs-ci.yaml

@@ -28,7 +28,7 @@ jobs:
       - name: Setup Node
         uses: ./.github/actions/setup-node
 
-      - uses: tj-actions/changed-files@cf79a64fed8a943fb1073260883d08fe0dfb4e56 # v45.0.7
+      - uses: tj-actions/changed-files@055970845dd036d7345da7399b7e89f2e10f2b04 # v45.0.7
         id: changed-files
         with:
           files: |

.github/workflows/start-workspace.yaml

@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Start Coder workspace
-        uses: coder/start-workspace-action@35a4608cefc7e8cc56573cae7c3b85304575cb72
+        uses: coder/start-workspace-action@f97a681b4cc7985c9eef9963750c7cc6ebc93a19
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           github-username: >-