build: bumping slsa-github-generator version to resolve issue with retrieving Rekor public keys (#265)

**Requirements**

- [ ] I have added test coverage for new or changed functionality
- [ ] I have followed the repository's [pull request submission
guidelines](../blob/main/CONTRIBUTING.md#submitting-pull-requests)
- [ ] I have validated my changes against all supported platform
versions

**Describe the solution you've provided**

Provenance generation fails due to Rekor public key errors were
identified as a known issue and fixed in version 1.10.0 per:
slsa-framework/slsa-github-generator#3350

Author: rsoberano-ld

.github/workflows/manual-publish.yml

@@ -43,7 +43,7 @@ jobs:
       actions: read
       id-token: write
       contents: write
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v1.7.0
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v1.10.0
     with:
       base64-subjects: "${{ needs.build-publish.outputs.gem-hash }}"
       upload-assets: ${{ !inputs.dry_run }}

.github/workflows/release-please.yml

@@ -62,7 +62,7 @@ jobs:
       actions: read
       id-token: write
       contents: write
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v1.7.0
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v1.10.0
     with:
       base64-subjects: "${{ needs.release-package.outputs.gem-hash }}"
       upload-assets: true