adding hashi docs to exclude list for link checking

+ looks like hashi's edge is potentially bot challenging requests from CI

Signed-off-by: Michelle Dhanani <[email protected]>

Author: michelleN

.build/check-broken-links.sh

@@ -76,6 +76,10 @@ blc --recursive http://127.0.0.1:3000
     --exclude 'https://docs.github.com/en/authentication/managing-commit-signature-verification/about-commit-signature-verification'                                                        \
     --exclude 'https://twitter.com/spinframework'                                                                                                                                           \
     --exclude 'https://linux.die.net/man/1/which'                                                                                                                                           \
+                                                                                                                                                                                            \        
+    `## returns 429`                                                                                                                                                                        \
+    --exclude 'https://developer.hashicorp.com/vault/docs/secrets/kv/kv-v2'                                                                                                                 \
+    --exclude 'https://developer.hashicorp.com/vault/tutorials/get-started/install-binary'                                                                                                  \                                                                                                                                                                
                                                                                                                                                                                             \
     `## false positives`                                                                                                                                                                    \
     --exclude 'https://www.gnu.org/software/coreutils/'                                                                                                                                     \