ci: Fix msrv check (#10875)

.github/workflows/covector-version-or-publish-v1.yml

@@ -126,7 +126,7 @@ jobs:
           cargo update -p tokio-stream --precise 0.1.14
           cargo update -p tokio-util --precise 0.7.10
           cargo update -p os_pipe --precise 1.1.5
-          cargo update -p syn:2.0.75 --precise 2.0.67
+          cargo update -p syn:2.0.77 --precise 2.0.67
           cargo update -p derive_more --precise 0.99.17
           cargo update -p native-tls --precise 0.2.11
           cargo update -p ppv-lite86 --precise 0.2.17