Update linux-old.yml

Author: devkdas

.github/workflows/linux-old.yml

@@ -52,6 +52,7 @@ permissions: {}
 env:
   MAKEFLAGS: -j 5
   CURL_CI: github
+  CURL_TEST_MIN: 1500
   DEBIAN_FRONTEND: noninteractive
 
 jobs:
@@ -91,7 +92,7 @@ jobs:
           rm -f "${fn}".tar*.gz
           mv "cmake-${CMAKE_VERSION}-Linux-x86_64" cmake
 
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           persist-credentials: false