fix secret names

[jiparis]

This PR fixes secret names in deployment to be RFC 1123 compatible.
Refs #1822

445c445
<   generated_jws_hmac_secret: "S1BlTkNvekdxSA=="
---
>   generated_jws_hmac_secret: "MzJRemN5RFlIdg=="
452,453c452,453
<           cert_path: "/sign_secrets_fileCA_0/file_ca.cert"
<           key_path:  "/sign_secrets_fileCA_0/file_ca.key"
---
>           cert_path: "/sign_secrets_fileca_0/file_ca.cert"
>           key_path:  "/sign_secrets_fileca_0/file_ca.key"
477c477
<       generated_jws_hmac_secret: "KPeNCozGqH"
---
>       generated_jws_hmac_secret: "32QzcyDYHv"
502c502
<   name: test-chainloop-controlplane-keyless-fileCA-0
---
>   name: test-chainloop-controlplane-keyless-fileca-0
1614c1614
<         checksum/secret-config: b1dee35ccd0a15f584e519cb49cfd035ff7789f938f0a2b88a79956e364ff0d1
---
>         checksum/secret-config: 12d88e1b082e6ccff0db1e41c8ff0b9e4452eba5113b34a78916171682209fad
1728,1729c1728,1729
<             - name: sign-backend-fileCA-0
<               mountPath: /sign_secrets_fileCA_0
---
>             - name: sign-backend-fileca-0
>               mountPath: /sign_secrets_fileca_0
1744c1744
<         - name: sign-backend-fileCA-0
---
>         - name: sign-backend-fileca-0
1746c1746
<             secretName: test-chainloop-controlplane-keyless-fileCA-0
---
>             secretName: test-chainloop-controlplane-keyless-fileca-0