fix: prepare environment for Database Lab retrieval (#152)

Description

Prepare environment for Database Lab retrieval:

• create if not exists PostgreSQL directory(global.dataDir) and set permissions
• pass environment variables from OS with Database Lab instance to physical and logical job containers
• describe customTool for physical restore commands
• bump Go version
• bump golangci-lint version

Related issue

#152 (closed)

Examples

Checklist

• the MR description has been reviewed
• this MR contains text changes and they have been reviewed OR there are no texts changes
• this MR contains GUI/CLI changes and they have been reviewed OR there are no GUI/CLI changes
• this MR contains API changes, specifications reflect those changes and they have been reviewed OR there are no API changes

Closes #152 (closed)