Upgrade to kamal 2.4.0 to see if that fixes secrets issue.

Gemfile.lock

@@ -107,7 +107,7 @@ GEM
     date (3.4.1)
     debug_inspector (1.2.0)
     docile (1.4.1)
-    dotenv (3.1.5)
+    dotenv (3.1.6)
     drb (2.2.1)
     ed25519 (1.3.0)
     erubi (1.13.0)
@@ -130,7 +130,7 @@ GEM
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     json (2.9.0)
-    kamal (2.3.0)
+    kamal (2.4.0)
       activesupport (>= 7.0)
       base64 (~> 0.2)
       bcrypt_pbkdf (~> 1.0)
@@ -146,7 +146,7 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     language_server-protocol (3.17.0.3)
-    logger (1.6.2)
+    logger (1.6.3)
     loofah (2.23.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -264,7 +264,7 @@ GEM
       rubocop-ast (>= 1.36.2, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.36.2)
+    rubocop-ast (1.37.0)
       parser (>= 3.3.1.0)
     rubocop-shopify (2.15.1)
       rubocop (~> 1.51)