Adding upstream version 2.6.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>

.github/workflows/semgrep.yml

@@ -0,0 +1,20 @@
+# Name of this GitHub Actions workflow.
+name: Semgrep
+
+on:
+  pull_request: {}
+
+jobs:
+  semgrep:
+    name: Scan
+    runs-on: ubuntu-latest
+    container:
+      image: returntocorp/semgrep
+    # Skip any PR created by dependabot to avoid permission issues
+    if: (github.actor != 'dependabot[bot]')
+    steps:
+      - uses: actions/checkout@v4
+
+      - run: semgrep ci
+        env:
+          SEMGREP_RULES: p/default p/golang p/secrets