Updates for Cloudflare D1 branch

[jdddog]

Updates to data export for Cloudflare D1 branch:

• Added acronyms for countries including hard coding United Kingdom "UK" country code.
• No longer rounding floats as they will be stored in the database.
• Incremented dataset version number.

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (c0395d9) 95.22% compared to head (9b902b0) 95.22%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #178 +/- ## ======================================== Coverage 95.22% 95.22% ======================================== Files 20 20 Lines 5191 5195 +4 Branches 718 718 ======================================== + Hits 4943 4947 +4 Misses 161 161 Partials 87 87 ``` | [Files Changed](https://app.codecov.io/gh/The-Academic-Observatory/academic-observatory-workflows/pull/178?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The-Academic-Observatory) | Coverage Δ | | |---|---|---| | [...observatory\_workflows/workflows/oa\_web\_workflow.py](https://app.codecov.io/gh/The-Academic-Observatory/academic-observatory-workflows/pull/178?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The-Academic-Observatory#diff-YWNhZGVtaWNfb2JzZXJ2YXRvcnlfd29ya2Zsb3dzL3dvcmtmbG93cy9vYV93ZWJfd29ya2Zsb3cucHk=) | `96.12% <100.00%> (+0.02%)` | :arrow_up: |

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