one-templates: can not create alpine VM templates for grafana and prometheus

Job #40862 failed for a78b3c2f:

==> grafana.qemu.alpine (shell-local): [one.template.allocate] Parse error: syntax error, unexpected VARIABLE, expecting EQUAL or EQUAL_EMPTY at line 929182518, columns 7:13
    grafana.qemu.alpine (shell-local): OpenNebula template publication:
    grafana.qemu.alpine (shell-local): 	VM template alpine-3.14.2-grafana : create [KO]
Build 'grafana.qemu.alpine' errored after 2 minutes 8 seconds: 1 error(s) occurred:
* Post-processor failed: Script exited with non-zero exit status: 255.Allowed exit codes are: [0]

Job #40840 failed for a78b3c2f:

==> prometheus.qemu.alpine (shell-local): [one.template.allocate] Parse error: syntax error, unexpected VARIABLE, expecting EQUAL or EQUAL_EMPTY at line 963011635, columns 7:13
    prometheus.qemu.alpine (shell-local): OpenNebula template publication:
    prometheus.qemu.alpine (shell-local): 	VM template alpine-3.15.0-prometheus : create [KO]
Build 'prometheus.qemu.alpine' errored after 1 minute 59 seconds: 1 error(s) occurred:
* Post-processor failed: Script exited with non-zero exit status: 255.Allowed exit codes are: [0]