Log Message:
rclone: Update to 1.52.1

Changes:
1.52.1
------
* Bug Fixes
    * lib/file: Fix SetSparse on Windows 7 which fixes downloads of
      files > 250MB (Nick Craig-Wood)
    * build
        * Update go.mod to go1.14 to enable -mod=vendor build (Nick Craig-Wood)
        * Remove quicktest from Dockerfile (Nick Craig-Wood)
        * Build Docker images with GitHub actions (Matteo Pietro Dazzi)
        * Update Docker build workflows (Nick Craig-Wood)
        * Set user_allow_other in /etc/fuse.conf in the Docker image
          (Nick Craig-Wood)
        * Fix xgo build after go1.14 go.mod update (Nick Craig-Wood)
    * docs
        * Add link to source and modified time to footer of every
          page (Nick Craig-Wood)
        * Remove manually set dates and use git dates instead (Nick Craig-Wood)
        * Minor tense, punctuation, brevity and positivity changes for the
          home page (edwardxml)
        * Remove leading slash in page reference in footer when present
          (Nick Craig-Wood)
        * Note commands which need obscured input in the docs (Nick Craig-Wood)
        * obscure: Write more help as we are referencing it elsewhere
          (Nick Craig-Wood)
* VFS
    * Fix OS vs Unix path confusion - fixes ChangeNotify on Windows
      (Nick Craig-Wood)
* Drive
    * Fix missing items when listing using --fast-list / ListR
      (Nick Craig-Wood)
* Putio
    * Fix panic on Object.Open (Cenk Alti)
* S3
    * Fix upload of single files into buckets without create permission
      (Nick Craig-Wood)
    * Fix --header-upload (Nick Craig-Wood)
* Tardigrade
    * Fix listing bug by upgrading to v1.0.7
    * Set UserAgent to rclone (Caleb Case)