unneeded v, and changed tar paths

Dockerfile

@@ -3,7 +3,7 @@ FROM argoproj/argocd@sha256:8d1d58ef963f615da97e0b2c54dbe243801d5e7198b98393ab36
 
 # Switch to root for the ability to perform install
 USER root
-ARG GOPASS_VERSION="v1.12.8"
+ARG GOPASS_VERSION="1.12.8"
 # Install tools needed for your repo-server to retrieve & decrypt secrets, render manifests 
 # (e.g. curl, awscli, gpg, sops)
 RUN apt-get update && \
@@ -15,7 +15,7 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* && \
     wget https://github.com/gopasspw/gopass/releases/download/v$GOPASS_VERSION/gopass-$GOPASS_VERSION-linux-amd64.tar.gz &&\
     tar xf ./gopass-$GOPASS_VERSION-linux-amd64.tar.gz &&\
-    mv ./gopass-$GOPASS_VERSION-linux-amd64/gopass /usr/local/bin &&\
+    mv ./gopass /usr/local/bin &&\
     rm -rf ./gopass-$GOPASS_VERSION-linux-amd64* &&\
     chmod +x /usr/local/bin/gopass