trim new lines for API Key Secrets

Author: mythz

.kamal/secrets

@@ -3,16 +3,16 @@
 # password manager, ENV, or a file. DO NOT ENTER RAW CREDENTIALS HERE! This file needs to be safe for git.
 
 # Option 1: Read secrets from the environment
-KAMAL_REGISTRY_PASSWORD=$KAMAL_REGISTRY_PASSWORD
-KAMAL_REGISTRY_USERNAME=$KAMAL_REGISTRY_USERNAME
-CEREBRAS_API_KEY=$CEREBRAS_API_KEY
-CODESTRAL_API_KEY=$CODESTRAL_API_KEY
-DEEPSEEK_API_KEY=$DEEPSEEK_API_KEY
-DEPLOY_HOST=$DEPLOY_HOST
-GROQ_API_KEY=$GROQ_API_KEY
-NVIDIA_API_KEY=$NVIDIA_API_KEY
-OLLAMA_API_KEY=$OLLAMA_API_KEY
-ZHIPU_API_KEY=$ZHIPU_API_KEY
+KAMAL_REGISTRY_PASSWORD=$(printf '%s' "$KAMAL_REGISTRY_PASSWORD" | tr -d '\r\n')
+KAMAL_REGISTRY_USERNAME=$(printf '%s' "$KAMAL_REGISTRY_USERNAME" | tr -d '\r\n')
+CEREBRAS_API_KEY=$(printf '%s' "$CEREBRAS_API_KEY" | tr -d '\r\n')
+CODESTRAL_API_KEY=$(printf '%s' "$CODESTRAL_API_KEY" | tr -d '\r\n')
+DEEPSEEK_API_KEY=$(printf '%s' "$DEEPSEEK_API_KEY" | tr -d '\r\n')
+DEPLOY_HOST=$(printf '%s' "$DEPLOY_HOST" | tr -d '\r\n')
+GROQ_API_KEY=$(printf '%s' "$GROQ_API_KEY" | tr -d '\r\n')
+NVIDIA_API_KEY=$(printf '%s' "$NVIDIA_API_KEY" | tr -d '\r\n')
+OLLAMA_API_KEY=$(printf '%s' "$OLLAMA_API_KEY" | tr -d '\r\n')
+ZHIPU_API_KEY=$(printf '%s' "$ZHIPU_API_KEY" | tr -d '\r\n')
 
 # Option 2: Read secrets via a command
 # RAILS_MASTER_KEY=$(cat config/master.key)